GRP

GRP may refer to:

Biochemistry

 * Gastrin-releasing peptide
 * Grp78, Grp94, Grp170, glucose-regulated proteins
 * Grape reaction product

Mathematics

 * Grp, the Category of groups

Technology and materials

 * Glass-reinforced-polymer, also known as Fiberglass, or Fibreglass.
 * Gentoo Reference Platform

Transport

 * Grove Park railway station, London, National Rail station code

Other uses

 * Government resource planning
 * US Grasslands Reserve Program
 * Gross rating point
 * Gross regional product
 * GRP Records, an American jazz label
 * Gurupi Airport, in Brazil